<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>itsNeko计划列表
    </title>
    <script src="https://cdn.bootcss.com/vue/2.6.10/vue.min.js"></script>
</head>
<body>
	<div class="card">
            <div class="card-content">
                <div class="biaotis">
                    <span>距离</span>
                    <span class="zhuti">2021</span>
                    <span>仅有</span>
                </div>
                <div id="CountMsg" class="HotDate">
                    <span id="t_d">00天</span>
                    <span id="t_h">00时</span>
                    <span id="t_m">00分</span>
                    <span id="t_s">00秒</span>
                </div>
                <script type="text/javascript">
                function getRTime(){
                var EndTime = new Date('2021/01/01 00:00:00'); //截止时间
                var NowTime = new Date();
                var t = EndTime.getTime() - NowTime.getTime();

                //累减
                // var d=Math.floor(t/1000/60/60/24);
                // t-=d*(1000*60*60*24);
                // var h=Math.floor(t/1000/60/60);
                // t-=h*60*60*1000;
                // var m=Math.floor(t/1000/60);
                // t-=m*60*1000;
                // var s=Math.floor(t/1000);

                //累加
                var d=Math.floor(t/1000/60/60/24);
                var h=Math.floor(t/1000/60/60%24);
                var m=Math.floor(t/1000/60%60);
                var s=Math.floor(t/1000%60);

                document.getElementById("t_d").innerHTML = d + "天";
                document.getElementById("t_h").innerHTML = h + "时";
                document.getElementById("t_m").innerHTML = m + "分";
                document.getElementById("t_s").innerHTML = s + "秒";
                }
                setInterval(getRTime,1000);
                </script>
      
            </div>
        </div>
</body>
</html>